| 1. | machine gun. |
| 2. | major general. |
| 3. | military government. |
| 4. | myasthenia gravis. |
| left hand. |

| magnesium. |
| milligram; milligrams. |
| a disease of impaired transmission of motor nerve impulses, characterized by episodic muscle weakness and easy fatigability, esp. of the face, tongue, neck, and respiratory muscles: caused by autoimmune destruction of acetylcholine receptors. Abbreviation: MG |

mag·ne·si·um (māg-nē'zē-əm, -zhəm) n. Symbol Mg A light, silvery-white, moderately hard metallic element that in ribbon or powder form burns with a brilliant white flame. It is used in structural alloys, pyrotechnics, flash photography, and incendiary bombs. Atomic number 12; atomic weight 24.305; melting point 649°C; boiling point 1,090°C; specific gravity 1.74 (at 20°C); valence 2. See Table at element. [From magnesia.] |
| major general n.
|
| mg abbr. milligram |
| Mg The symbol for the element magnesium. |
| MG abbr.
|
mil·li·gram (mĭl'ĭ-grām') n. Abbr. mg A unit of mass equal to one thousandth (10-3) of a gram. See Table at measurement. |
mg abbr.
milligram
Mg
The symbol for the element magnesium.
milligram mil·li·gram (mĭl'ĭ-grām')
n.
Abbr. mg
A metric unit of mass equal to one thousandth (10-3) of a gram.
myasthenia gravis myasthenia grav·is (grāv'ĭs)
n.
A disease characterized by progressive fatigue and generalized weakness of the skeletal muscles, especially those of the face, neck, arms, and legs, caused by impaired transmission of nerve impulses following an autoimmune attack on acetylcholine receptors. Also called Goldflam disease.
| magnesium (māg-nē'zē-əm) Pronunciation Key
Symbol Mg A lightweight, moderately hard, silvery-white metallic element of the alkaline-earth group that burns with an intense white flame. It is an essential component of chlorophyll and is used in lightweight alloys, flash photography, and fireworks. Atomic number 12; atomic weight 24.305; melting point 649°C; boiling point 1,090°C; specific gravity 1.74 (at 20°C); valence 2. See Periodic Table. |
| mg
Abbreviation of milligram |
| Mg
The symbol for magnesium. |
| milligram (mĭl'ĭ-grām') Pronunciation Key
A unit of mass or weight in the metric system equal to 0.001 gram. See Table at measurement. |
mg networking
The country code for Madagascar.
mg
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| Mg magnesium |
MG
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